Finding the Fourth Proportional to 384,769.50, 530,980.27 and 215,003.62

Step by Step Solution

1. Step 1: Write the proportion equation
   384,769.50 : 530,980.27 = 215,003.62 : x
2. Step 2: Convert to fraction form
   384,769.50/530,980.27 = 215,003.62/x
3. Step 3: Cross multiply
   384,769.50x = 530,980.27 × 215,003.62
4. Step 4: Simplify right side
   384,769.50x = 114,162,680,198.58
5. Step 5: Solve for x
   x = 114,162,680,198.58/384,769.50
6. Step 6: Final answer
   x = 296,704.08